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Assume that a Kruskal-Wallis test is being conducted to determine whether or not the medians of three populations are equal.The sum of rankings and the sample size for each group are below. What is the critical value for this test using a 0.10 level of significance?
Thick Secretions
Viscous bodily fluids that may obstruct airways or complicate medical conditions, necessitating medical intervention.
Tenacious Mucus
A thick and sticky phlegm or secretion produced by the mucous membranes of airways, which is particularly difficult to clear.
Tracheostomy Tube
A tube inserted into a surgically created hole (tracheostomy) in the front of the neck and into the trachea to assist breathing.
Normal Saline Instillation
The process of introducing a salt water solution, usually isotonic to body fluids, into the body for medical purposes, such as cleansing or hydration.
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